788398090

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1\times {\mathrm{881}}^1$

素因数の和:1818

約数の個数: 32

約数和(自身を含む): 1435507920

約数和(自身を除く): 647109830

約数列:

[1, 2, 5, 10, 109, 218, 545, 821, 881, 1090, 1642, 1762, 4105, 4405, 8210, 8810, 89489, 96029, 178978, 192058, 447445, 480145, 723301, 894890, 960290, 1446602, 3616505, 7233010, 78839809, 157679618, 394199045, 788398090]

約数ペア:

[(1, 788398090), (2, 394199045), (5, 157679618), (10, 78839809), (109, 7233010), (218, 3616505), (545, 1446602), (821, 960290), (881, 894890), (1090, 723301), (1642, 480145), (1762, 447445), (4105, 192058), (4405, 178978), (8210, 96029), (8810, 89489)]